Overview
The STM32L471VET6 is a high-performance, ultra-low-power microcontroller from STMicroelectronics, part of the STM32L4 series. It is based on the Arm® Cortex®-M4 32-bit CPU with a floating-point unit (FPU) and features advanced power management and a wide range of peripherals. This microcontroller is designed to meet the demands of applications requiring both high performance and low power consumption, making it suitable for various industrial, automotive, and consumer electronics applications.
Key Specifications
| Parameter | Value |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU |
| Frequency | Up to 80 MHz |
| Flash Memory | Up to 1 MB |
| SRAM | Up to 128 KB |
| Power Supply | 1.71 V to 3.6 V |
| Temperature Range | -40 °C to 85/105/125 °C |
| Low-Power Modes | 300 nA in VBAT mode, 30 nA in Shutdown mode, 120 nA in Standby mode |
| I/Os | Up to 114 fast I/Os, most 5 V-tolerant |
| Communication Interfaces | USARTs, I2C, SPI, CAN, SDMMC, etc. |
| Analog Peripherals | 3x 12-bit ADC, 2x 12-bit DAC, 2x operational amplifiers, 2x ultra-low-power comparators |
| Package | 100-LQFP (14x14 mm) |
Key Features
- Ultra-low-power with FlexPowerControl, including multiple low-power modes such as VBAT, Shutdown, Standby, and Stop 2 modes.
- Advanced power management with batch acquisition mode (BAM) and fast wakeup from Stop mode.
- Arm® Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator™), and DSP instructions.
- Rich analog peripherals including 3x 12-bit ADCs, 2x 12-bit DACs, operational amplifiers, and ultra-low-power comparators.
- Extensive communication interfaces such as USARTs, I2C, SPI, CAN, SDMMC, and more.
- RTC with HW calendar, alarms, and calibration.
- True random number generator, CRC calculation unit, and 96-bit unique ID.
- Development support with serial wire debug (SWD), JTAG, and Embedded Trace Macrocell™.
Applications
The STM32L471VET6 is versatile and can be used in a variety of applications, including:
- Industrial automation and control systems.
- Automotive systems, particularly those requiring high performance and low power consumption.
- Consumer electronics such as smart home devices and wearables.
- Medical devices that demand precise analog and digital capabilities.
- IOT devices and smart sensors.
Q & A
- What is the core architecture of the STM32L471VET6?
The STM32L471VET6 is based on the Arm® 32-bit Cortex®-M4 CPU with a floating-point unit (FPU). - What is the maximum frequency of the STM32L471VET6?
The maximum frequency is up to 80 MHz. - What are the power supply and temperature range specifications?
The power supply range is 1.71 V to 3.6 V, and the temperature range is -40 °C to 85/105/125 °C. - What are the low-power modes available in the STM32L471VET6?
The device features multiple low-power modes including VBAT (300 nA), Shutdown (30 nA), Standby (120 nA), and Stop 2 modes. - What types of analog peripherals are available?
The device includes 3x 12-bit ADCs, 2x 12-bit DACs, 2x operational amplifiers, and 2x ultra-low-power comparators. - What communication interfaces does the STM32L471VET6 support?
The device supports USARTs, I2C, SPI, CAN, SDMMC, and other communication interfaces. - What is the package type of the STM32L471VET6?
The package type is 100-LQFP (14x14 mm). - Does the STM32L471VET6 support any specific development tools?
Yes, it supports serial wire debug (SWD), JTAG, and Embedded Trace Macrocell™. - What are some typical applications for the STM32L471VET6?
Typical applications include industrial automation, automotive systems, consumer electronics, medical devices, and IoT devices. - Is the STM32L471VET6 environmentally friendly?
Yes, all packages are ECOPACK2® compliant, indicating they meet certain environmental standards.
